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(11)

EP 2 185 831 A1

(12)

(43) Date of publication: 19.05.2010 Bulletin 2010/20 (21) Application number: 08785165.5 (22) Date of filing: 28.07.2008

(51) International Patent Classification (IPC):  F16C 33/66(2006.01) (86) International application number: PCT/EP2008/006216 (87) International publication number: WO 2009/015855 (05.02.2009 Gazette 2009/06)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 01.08.2007 EP 07015131 (71) Applicant: AB SKF 415 50 Göteborg (SE)	(72) Inventors: ZHOU, Xiao Bo NL-3994 PV Houten (NL) DOYER, Armel Louis F-37510 Savonnieres (FR) BERENS, Frank F-37110 Saunay (FR) (74) Representative: Burö, Sven Peter  SKF BV P.O.Box 2350 3430 DT Nieuwegein 3430 DT Nieuwegein (NL)